40054040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 107775360

約数和(自身を除く): 67721320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 197, 221, 230, 260, 299, 340, 391, 394, 442, 460, 520, 598, 680, 782, 788, 884, 920, 985, 1105, 1196, 1495, 1564, 1576, 1768, 1955, 1970, 2210, 2392, 2561, 2990, 3128, 3349, 3910, 3940, 4420, 4531, 5083, 5122, 5980, 6698, 7820, 7880, 8840, 9062, 10166, 10244, 11960, 12805, 13396, 15640, 16745, 18124, 20332, 20488, 22655, 25415, 25610, 26792, 33490, 36248, 40664, 43537, 45310, 50830, 51220, 58903, 66980, 77027, 87074, 90620, 101660, 102440, 117806, 133960, 154054, 174148, 181240, 203320, 217685, 235612, 294515, 308108, 348296, 385135, 435370, 471224, 589030, 616216, 770270, 870740, 1001351, 1178060, 1540540, 1741480, 2002702, 2356120, 3081080, 4005404, 5006755, 8010808, 10013510, 20027020, 40054040]

約数ペア:

[(1, 40054040), (2, 20027020), (4, 10013510), (5, 8010808), (8, 5006755), (10, 4005404), (13, 3081080), (17, 2356120), (20, 2002702), (23, 1741480), (26, 1540540), (34, 1178060), (40, 1001351), (46, 870740), (52, 770270), (65, 616216), (68, 589030), (85, 471224), (92, 435370), (104, 385135), (115, 348296), (130, 308108), (136, 294515), (170, 235612), (184, 217685), (197, 203320), (221, 181240), (230, 174148), (260, 154054), (299, 133960), (340, 117806), (391, 102440), (394, 101660), (442, 90620), (460, 87074), (520, 77027), (598, 66980), (680, 58903), (782, 51220), (788, 50830), (884, 45310), (920, 43537), (985, 40664), (1105, 36248), (1196, 33490), (1495, 26792), (1564, 25610), (1576, 25415), (1768, 22655), (1955, 20488), (1970, 20332), (2210, 18124), (2392, 16745), (2561, 15640), (2990, 13396), (3128, 12805), (3349, 11960), (3910, 10244), (3940, 10166), (4420, 9062), (4531, 8840), (5083, 7880), (5122, 7820), (5980, 6698)]